单项选择题

Questions 19 to 21 are based on the conversation you have just heard.

A．A more economical diesel run.
B．Characteristics of a new type of run.
C．Where a new energy source is located.
D．How to develop alternative energy sources.
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单项选择题
A．In the side street.B．At the crossroads.C．On the main road.D．On the motorway.
A．In the side street.
B．At the crossroads.
C．On the main road.
D．On the motorway.
问答题
For this part, you are allowed 30 minutes to write a short essay entitled The Phenomenon of Empty Nest. You should write at least 150 words following the outline given below. 注：“空巢老人”指那些到了退休年龄，身边却无子女与之共同生活的老人。 1．如今的空巢老人逐渐增多 2．这种现象出现的原因 3．如何解决由此带来-的问题
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